VoIP Steganography and Its Detection - A Survey
Wojciech Mazurczyk

TL;DR
This survey reviews VoIP steganography techniques and their detection methods, highlighting the increasing importance of secure communication in IP telephony amidst growing data volume and protocol diversity.
Contribution
It provides a comprehensive overview of existing VoIP steganography methods and their countermeasures, filling a gap in current research summaries.
Findings
VoIP is a promising carrier for steganography due to its widespread use.
Various steganographic techniques have been developed for VoIP.
Detection methods are evolving to counteract steganography in VoIP.
Abstract
Steganography is an ancient art that encompasses various techniques of information hiding, the aim of which is to secret information into a carrier message. Steganographic methods are usually aimed at hiding the very existence of the communication. Due to the rise in popularity of IP telephony, together with the large volume of data and variety of protocols involved, it is currently attracting the attention of the research community as a perfect carrier for steganographic purposes. This paper is a survey of the existing VoIP steganography (steganophony) methods and their countermeasures.
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Taxonomy
TopicsAdvanced Steganography and Watermarking Techniques · Internet Traffic Analysis and Secure E-voting · Chaos-based Image/Signal Encryption
